package aqs;

import java.util.concurrent.locks.ReentrantLock;

public class AqsDemo {
    public static void main(String[] args) {
//        AbstractQueuedSynchronizer

//        System.out.println("xx");

//        ReentrantLock lock=new ReentrantLock(true);
        ReentrantLock lock1=new ReentrantLock();
        System.out.println("xca");
        lock1.lock();
//        lock.unlock();
//        lock.unlock();



    }



}
